Please consult your physician before taking any medication. Brand name: Biaxin (Spanish name, Klaricid OD) Generic name: Clarithromycin Why is Biaxin prescribed? Biaxin, an antibiotic chemically related to erythromycin, is used to treat certain bacterial infections of the respiratory tract, including: · Strep throat · Pneumonia · Sinusitis (inflamed sinuses) · Tonsillitis (inflamed tonsils) · Acute middle ear infections · Acute flare-ups of chronic bronchitis (inflamed airways) Biaxin is also prescribed to treat infections of the skin. Combined with other medications, it is used to treat ulcers near the exit from the stomach (duodenal ulcers) caused by H. pylori bacteria. It can also be prescribed to combat Mycobacterium avium infections in people with AIDS. Biaxin is available in tablet and suspension form, and in extended-release tablets (Biaxin XL). The extended-release form is used only for sinus inflammation and flare-ups of bronchitis. Most important fact about this drug: · Biaxin, like any other antibiotic, works best when there is a constant amount of drug in the blood. To keep the amount constant, try not to miss any doses. Biaxim may also be used for purposes other than those listed in this medication guide.